Avancerad_CPP/Lab6/list.cpp

//## begin module.cm preserve=no

//	  %X% %Q% %Z% %W%

//## end module.cm



//## begin module.cp preserve=no

//## end module.cp



//## Module: List; Pseudo Package body

//## Subsystem: Figures

//## Source file: H:\WebDocs\skola\Avancerad_C++\Lab6\List.cpp



//## begin module. preserve=no

//## end module.



//## begin module.includes preserve=yes

//## end module.includes



// List

#include "H:\WebDocs\skola\Avancerad_C++\Lab6\List.h"

//## begin module.additionalDeclarations preserve=yes

#include <stdio.h>

#include <iostream.h>

//## end module.additionalDeclarations





// Parameterized Class List 







template <class T>

List<T>::List()

  //## begin List::List%.hasinit preserve=no

      : size(0)

  //## end List::List%.hasinit

  //## begin List::List%.initialization preserve=yes

  //## end List::List%.initialization

{

  //## begin List::List%.body preserve=yes

	head=NULL;

  //## end List::List%.body

}





template <class T>

List<T>::~List()

{

  //## begin List::~List%.body preserve=yes

	delete head;

  //## end List::~List%.body

}







//## Other Operations (implementation)

template <class T>

void List<T>::add (int position, T item)

{

  //## begin List::add%937398674.body preserve=yes



	size++;	

	Node<T>* newPtr = new Node<T>(item);	



	if (position==0) {

		newPtr->next=head;

		head=newPtr;

	}

	else {

		Node<T>* prev=head;

		for (int i=0;i<position-1;i++)

			prev=prev->next;

		newPtr->next=prev->next;

		prev->next=newPtr;

	}

  //## end List::add%937398674.body

}



template <class T>

void List<T>::del (int position)

{

  //## begin List::del%937398675.body preserve=yes

	Node<T>* trav=head;

	Node<T>* cur;

	size--;

	if (position == 0) {

		cur = head;

		head = head -> next;

	}

	else {

		for (int i=0 ; i<position-1 ; i++)

			trav = trav -> next;

		cur = trav -> next;

		trav -> next = cur ->next;

	}

	cur -> next = NULL;

	delete cur;

	cur = NULL;

	

  //## end List::del%937398675.body

}



template <class T>

bool List<T>::isEmpty ()

{

  //## begin List::isEmpty%937398676.body preserve=yes

	return (size==0);

  //## end List::isEmpty%937398676.body

}



template <class T>

int List<T>::getSize ()

{

  //## begin List::getSize%937398677.body preserve=yes

	return size;

  //## end List::getSize%937398677.body

}



template <class T>

T List<T>::getItem (int position)

{

  //## begin List::getItem%937398678.body preserve=yes

	Node<T>* cur=head;	

	for(int i=0 ; i<position ; i++)		

		cur=cur->next;

	return (cur->data);

	

  //## end List::getItem%937398678.body

}



// Additional Declarations

  //## begin List.declarations preserve=yes

  //## end List.declarations







//## begin module.epilog preserve=yes

//## end module.epilog